feat(manager): add polardb support

[liyi1013]

Description

This PR enables PolarDB support in the Dragonfly manager by integrating the PolarDB Go driver.

Related Issue

#4600

Motivation and Context

In our use case, MySQL and PostgreSQL cannot be used; therefore, support for PolarDB has been added.

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• [x ] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• [ x] I have read the CONTRIBUTING document.
• I have added tests to cover my changes.